What drew these 1,300 perfect circles on the sea floor? We may finally know.
When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...
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Here’s Where the Arctic’s Wildlife Will Make Its Last Stand
National Geographic Explorer-in-Residence ... filming opportunities will vanish. But now, the sea here is just beginning to blaze with life. Walruses dive and court near the Norwegian island ...
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Sea turtles are surviving—despite us
This story appears in the October 2019 issue of National Geographic magazine ... Ghost nets floating at sea are a known threat to marine life, including turtles. Spend enough time watching ...
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Purpose-driven inventors: Bringing the sea floor to the surface
This prompted astrophysicist and National Geographic ... almost every area of life, becoming ubiquitous in electronics from smartphones to satellites. Photo by NATIONAL GEOGRAPHIC CREATIVEWORKS ...
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Cambrian Period
The environment also became more hospitable, with a warming climate and rising sea levels flooding low-lying landmasses to create shallow, marine habitats ideal for spawning new life-forms.